Area in the Real World

See how area formulas apply to everyday objects around you!

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Rectangles

📱 Phone Screen
Your phone screen is a perfect rectangle!
6 in × 3 in
18 in²
🚪 Door
Need to paint a door? Calculate the area!
7 ft × 3 ft
21 ft²
📓 Notebook Page
How much space do you have to write?
11 in × 8.5 in
93.5 in²
🌻 Garden Bed
Planning a vegetable garden? Find the planting area!
8 m × 5 m
40 m²
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Triangles

🍕 Pizza Slice
Each slice is a triangle! How much pizza do you get?
½ × 10 in × 8 in
40 in²
🥪 Sandwich Half
Cut a sandwich diagonally — you get two triangles!
½ × 6 in × 6 in
18 in²
🏠 House Roof
Roofs are often triangular! Calculate shingle area.
½ × 30 ft × 12 ft
180 ft²
⚠
⚠️ Yield Sign
Traffic signs use triangles for visibility!
½ × 14 in × 12 in
84 in²
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Parallelograms

🛹 Skateboard Ramp
Side view of a ramp is a parallelogram!
10 ft × 4 ft
40 ft²
💎 Diamond Tiles
Fancy floor tiles are often parallelograms!
15 in × 6 in
90 in²
🪜 Staircase Railing
The side panel of stairs forms a parallelogram!
12 ft × 5 ft
60 ft²
⏢

Trapezoids

🪣 Bucket Side
Buckets are wider at top — that's a trapezoid!
½ × (8+12) × 10 in
100 in²
💡 Lampshade
Most lampshades are trapezoidal when unrolled!
½ × (6+10) × 8 in
64 in²
🪑 Trapezoid Table
Some modern tables have trapezoid tops!
½ × (35+55) × 20 in
900 in²

Ready to calculate? 📐

Now that you've seen real-world examples, practice with actual problems!

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